Is it mandatory for every public company to appoint Key Managerial Personnel?

Section 203 of the Companies Act, 2013 read with Rule 8 of the Companies (Appointment and Remuneration of Managerial Personnel) Rules, 2014 mandates the appointment of whole-time Key Managerial Personnel and makes it obligatory for every listed company and every other public company having a paid-up share capital of rupees ₹10 crores or more , to appoint the following whole-time key managerial personnel: Managing Director, or Chief Executive Officer or Manager and in their absence, a Whole-Time Director; Company Secretary; and Chief Financial Officer. Accordingly, it is mandatory for only those Public Limited Companies which are covered under the aforesaid mentioned provisions to appoint whole-time Key Managerial Personnel.